bnxt_en: Increase RING_IDLE minimum threshold to 50

This keeps the RING_IDLE flag set in hardware for higher coalesce
settings by default and improved latency.

Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index b83c2ac..a221a10 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7702,7 +7702,7 @@ static void bnxt_init_dflt_coal(struct bnxt *bp)
        coal->coal_bufs = 30;
        coal->coal_ticks_irq = 1;
        coal->coal_bufs_irq = 2;
-       coal->idle_thresh = 25;
+       coal->idle_thresh = 50;
        coal->bufs_per_record = 2;
        coal->budget = 64;              /* NAPI budget */